PMC:7199903 / 644-652 JSONTXT

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    LitCovid-sample-Enju

    {"project":"LitCovid-sample-Enju","denotations":[{"id":"T94","span":{"begin":0,"end":2},"obj":"IN"},{"id":"T95","span":{"begin":3,"end":7},"obj":"NN"}],"text":"by mass "}